P0: wallet balances and EVM reads

Connect Remote server

claude mcp add --transport http evm-wallet-onchain https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/mcp/evm-wallet-onchain

{
  "mcpServers": {
    "evm-wallet-onchain": {
      "url": "https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/mcp/evm-wallet-onchain"
    }
  }
}

{
  "servers": {
    "evm-wallet-onchain": {
      "type": "http",
      "url": "https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/mcp/evm-wallet-onchain"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/mcp/evm-wallet-onchain

Tools 12 found in our last check

• wallet_balance

  Use when you need a wallet's token balances on several chains in one call: native coin plus USDC, USDT, DAI, WETH, WBTC/cbBTC on Ethereum, Base, Arbitrum and Polygon. Returns the paid x402 request for your input (GET /wallet/balance, $0.003 per call; schema linked). Call that UR…

• wallet_balance_batch

  Use when you need native and stablecoin balances for a list of wallets: up to 25 addresses (0x or ENS names) in one POST. Returns the paid x402 request for your input (POST /wallet/balance/batch, $0.075 per call; schema linked). POST that JSON body to the URL with an x402 or MPP…

• pay_check

  Use when you need to confirm that a transaction paid at least an amount of an asset to an address: pass tx, to, amount and asset. Returns the paid x402 request for your input (GET /pay/check, $0.003 per call; schema linked). Call that URL with an x402 or MPP client to get the da…

• quote_swap

  Use for a DEX swap quote with a ready unsigned transaction: best route from Velora (ParaSwap), KyberSwap as fallback, on Base, Arbitrum, Ethereum, Optimism, Polygon, BNB Chain. Returns the paid x402 request for your input (GET /quote/swap, $0.002 per call; schema linked). Call t…

• evm_erc20_balance

  Use when you need one ERC-20 balance for one wallet: balanceOf, decimals and symbol read in a single multicall on Base, Ethereum, Arbitrum, Polygon or Optimism, with raw units, a decimal amount. Returns the paid x402 request for your input (GET /evm/erc20-balance, $0.002 per cal…

• evm_native_balance

  Use when you need the native coin balance (ETH or POL) of an address on Base, Ethereum, Arbitrum, Polygon or Optimism: wei and a decimal amount from a public node, with the block number and as_of. Returns the paid x402 request for your input (GET /evm/native-balance, $0.001 per…

• evm_block

  Use when you need a block header on Base, Ethereum, Arbitrum, Polygon or Optimism: latest or a given number, with hash, parent, timestamp, miner, gas used/limit. Returns the paid x402 request for your input (GET /evm/block, $0.001 per call; schema linked). Call that URL with an…

• evm_transaction

  Use when you need a transaction by hash on Base, Ethereum, Arbitrum, Polygon or Optimism: from, to, value, nonce, gas and fee fields, block, confirmations, method id and input (first 1 KB). Returns the paid x402 request for your input (GET /evm/tx, $0.002 per call; schema linked…

• evm_receipt

  Use when you need to know whether a transaction succeeded on Base, Ethereum, Arbitrum, Polygon or Optimism: receipt status, block, confirmations, gas used, effective gas price. Returns the paid x402 request for your input (GET /evm/receipt, $0.002 per call; schema linked). Call…

• evm_code

  Use when you need to know whether an address is a contract on Base, Ethereum, Arbitrum, Polygon or Optimism: is_contract, bytecode size, sha256 of the bytecode. Returns the paid x402 request for your input (GET /evm/code, $0.002 per call; schema linked). Call that URL with an x4…

• evm_ens

  Use when you need ENS on Ethereum: name to address (name=vitalik.eth, via the Universal Resolver, with resolver address) or address to primary name (address=0x..., reverse record, forward-verified). Returns the paid x402 request for your input (GET /evm/ens, $0.002 per call; sch…

• evm_nonce

  Use when you need an account's transaction count on Base, Ethereum, Arbitrum, Polygon or Optimism: nonce at the latest block and the pending nonce (queued transactions in the node's pool). Returns the paid x402 request for your input (GET /evm/nonce, $0.001 per call; schema link…

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